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Sump Pump in Lanham, MD

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Basement pumps in Lanham and Seabrook, near Annapolis Road, Lanham Severn Road and the Beltway.

Sump pump giving out in Lanham?
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Lanham's neighborhoods are mostly from the 1960s, and their basements often depend on sump pumps that have been patched or replaced more than once. The right answer may be a new switch, a new pump or a backup system. Call the number on this page to be connected with a local plumber in Lanham.

Sump pump in a basin with a discharge pipe, sump pumps in Lanham, MD

Local conditions

Lanham is a fully built-out inner suburb along the Capital Beltway, next to the New Carrollton Metro and Amtrak station. The Lanham mailing address reaches beyond the community itself and takes in Seabrook. The median home dates to 1969, so foundations, drain tile and pits in many houses are more than fifty years old. In homes of that age, a pump may have been added long after construction, with a basin set too shallow or a discharge pipe that empties right beside the foundation.

WSSC Water provides water and wastewater service in Lanham. If a basement toilet or laundry drains to an ejector pump and sewage is backing up, the cause may be the ejector or the private sewer line; sewage coming out of a public manhole or the street goes to WSSC at 301-206-4002. In Prince George's County, plumbing permits and inspections come from WSSC Water, not the County.

Repair, replace or back it up

ChoiceMakes sense whenKeep in mind
Swap the float switchThe pump runs when lifted by handCosts less than a pump, but check the motor's age
New check valveWater drops back into the pit after each cycleCuts cycling and adds pump life
Replace the pumpMotor is seized, noisy or decades oldMatch capacity to how fast the pit fills
Deeper or new basinOld pit is cracked or too smallMore work in a finished basement
Battery backup and alarmFinished space or frequent outagesTest the battery once or twice a year
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Signs to act on

  • The pump runs longer than it used to for the same storm
  • Water seeps up around the edge of the pit lid
  • Clicking, but no motor
  • Stained or soft drywall at the bottom of finished walls

When to schedule it

Do not wait for a storm to find out the pump is weak. Test it in late winter, ahead of thaws and spring rain, and again before summer thunderstorm season. In freezing weather, check that the outdoor end of the discharge is not frozen shut, since an iced line can send the water straight back into the pit.

Sump Pumps questions in Lanham

Will a sump pump help with water seeping through old basement walls?
It can. In 1960s basements, water often seeps in where the wall meets the floor. A pit and pump give it a path out, though heavily cracked walls may also need sealing.
What does a high-water alarm do?
It sounds an alarm when the water in the pit climbs past normal, so you know the pump has stopped or fallen behind. Battery-powered models keep working through outages.
Can the sump pump empty into a floor drain or laundry sink?
No. Groundwater and rainwater belong outdoors, not in the sanitary sewer, and some older houses have that kind of connection left over from past work. A plumber can reroute it.
Who do I call if sewage is coming back from the street sewer?
Call WSSC Water's emergency line at 301-206-4002. WSSC provides sewer service in Lanham, including the public mains in the street.

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